United Airlines, Inc., commonly referred to as United, is a major American airline headquartered in Chicago, Illinois.
Chicago is the third-most populous city in the United States.
United Airlines Flight Makes Emergency Landing at Newark ... by ABC News
It is the world's third-largest airline when measured by revenue, operates a comprehensive domestic and international route network, and has significant presence in the Asia-Pacific region.
United Airlines Boeing 787-8 Dreamliner SFO-LAX ... by RyanBomar
In the late 1920s, just prior to the use of the United Airlines name, The Boeing Company, currently one of the world's largest aircraft manufacturers, operated a predecessor airline.
The Boeing Company is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, and satellites worldwide.
Regional service is operated by independent carriers under the brand name United Express.
United Express is the brand name for the regional branch of United Airlines, under which nine individually owned regional airlines operate short and medium haul feeder flights.
Its main competitors are American Airlines, Delta Air Lines, and Southwest Airlines.
Delta Air Lines, Inc. is a major American airline, with its headquarters and largest hub at Hartsfield–Jackson Atlanta International Airport in Atlanta, Georgia.
The points of the compass, specifically on the compass rose, mark divisions of a compass; such divisions may be referred to as "winds" or "directions".
Southwest Airlines Co. is a major U.S. airline, the world's largest low-cost carrier, headquartered in Dallas, Texas.
United operates out of nine airline hubs located in Chicago, Denver, Guam, Houston, Los Angeles, Newark, San Francisco, Tokyo and Washington, D.C. Chicago-O'Hare is United's largest hub, both in terms of passengers carried annually and in terms of departures 181,488 in 2016.
San Francisco, officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California and the only consolidated city-county in California.
Washington, D.C., formally the District of Columbia and commonly referred to as "Washington", "the District", or simply "D.C.", is the capital of the United States.
Houston is the most populous city in Texas and the fourth-most populous city in the United States, located in Southeast Texas near the Gulf of Mexico.
This passed George Bush Intercontinental in Houston, which carried 15.5 million with 178,019 departures.
The company employs over 86,000 people while maintaining its headquarters in Chicago's Willis Tower formerly known as Sears Tower.
The Willis Tower, built as and still commonly referred to as Sears Tower, is a 108-story, 1,450-foot skyscraper in Chicago, Illinois, United States.
Through the airline's parent company, United Continental Holdings, it is publicly traded under NYSE: UAL with a market capitalization of over $18 billion as of September 2014.
Market capitalization is the market value at a point in time of the shares outstanding of a publicly traded company, being equal to the share price at that point of time times the number of shares outstanding.
United operates maintenance bases in Cleveland and Orlando in addition to the maintenance locations located at United's hubs.